Multiplex communication system

Details Multiplex communication system Multiplex communication system

1991-09-03

1994-04-19

Olms, Douglas W.

Multiplex communications

Wide area network

Packet switching

H04J 314

Patent

active

053053168

ABSTRACT:
In a multiplex communication system for transmitting and receiving data between a master station and a plurality of slave stations, the master station comprises a discriminator for collating an important switch information data transmitted from each slave station for reliability improvement. That is, two or more bit switch data transmitted by the slave station are compared with those stored in the master station and determined to be correct on the basis of a perfect bit level match or a bit level majority decision. Further, it is also possible to compare first data transmitted by the slave station with second data transmitted again by the slave station immediately after the first data transmission. Furthermore, it is preferable to change the access sequence from the master station to the slave stations according to power supply modes determined by ignition key switch positions for providing a higher response speed.

REFERENCES:
patent: 4845708 (1989-07-01), Herrmann, Jr. et al.
patent: 4899338 (1990-02-01), Wroblewski
patent: 4908822 (1990-03-01), Wroblewski
patent: 4920532 (1990-04-01), Wroblewski

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